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Hurricane Sam Forecast Advisory


645 
WTNT23 KNHC 010845
TCMAT3

HURRICANE SAM FORECAST/ADVISORY NUMBER  35
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL182021
0900 UTC FRI OCT 01 2021

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* BERMUDA

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.

HURRICANE CENTER LOCATED NEAR 26.6N  61.7W AT 01/0900Z
POSITION ACCURATE WITHIN  15 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 345 DEGREES AT  15 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  934 MB
EYE DIAMETER  25 NM
MAX SUSTAINED WINDS 130 KT WITH GUSTS TO 160 KT.
64 KT....... 60NE  50SE  35SW  40NW.
50 KT....... 90NE  80SE  50SW  60NW.
34 KT.......150NE 140SE  90SW 110NW.
12 FT SEAS..270NE 180SE 210SW 240NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

REPEAT...CENTER LOCATED NEAR 26.6N  61.7W AT 01/0900Z
AT 01/0600Z CENTER WAS LOCATED NEAR 25.8N  61.6W

FORECAST VALID 01/1800Z 28.8N  62.0W
MAX WIND 125 KT...GUSTS 150 KT.
64 KT... 60NE  50SE  40SW  40NW.
50 KT... 90NE  80SE  60SW  60NW.
34 KT...150NE 150SE 100SW 110NW.

FORECAST VALID 02/0600Z 31.7N  61.2W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 55NE  50SE  40SW  40NW.
50 KT... 80NE  80SE  60SW  60NW.
34 KT...150NE 160SE 120SW 130NW.

FORECAST VALID 02/1800Z 34.2N  59.7W
MAX WIND 105 KT...GUSTS 130 KT.
64 KT... 50NE  50SE  40SW  40NW.
50 KT... 80NE  80SE  70SW  70NW.
34 KT...160NE 170SE 140SW 150NW.

FORECAST VALID 03/0600Z 36.0N  57.8W
MAX WIND  95 KT...GUSTS 115 KT.
64 KT... 50NE  50SE  50SW  40NW.
50 KT... 80NE  80SE  70SW  70NW.
34 KT...160NE 180SE 160SW 170NW.

FORECAST VALID 03/1800Z 37.7N  55.0W
MAX WIND  90 KT...GUSTS 110 KT.
50 KT... 80NE  90SE  80SW  70NW.
34 KT...170NE 190SE 180SW 180NW.

FORECAST VALID 04/0600Z 40.1N  51.4W
MAX WIND  85 KT...GUSTS 105 KT.
50 KT... 80NE 100SE  90SW  80NW.
34 KT...180NE 200SE 200SW 180NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY

OUTLOOK VALID 05/0600Z 47.7N  44.8W...POST-TROP/EXTRATROP
MAX WIND  75 KT...GUSTS  90 KT.

OUTLOOK VALID 06/0600Z 50.1N  38.1W...POST-TROP/EXTRATROP
MAX WIND  65 KT...GUSTS  80 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 26.6N  61.7W

INTERMEDIATE PUBLIC ADVISORY...WTNT33 KNHC/MIATCPAT3...AT 01/1200Z

NEXT ADVISORY AT 01/1500Z

$$
FORECASTER BERG





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